A grating monochromator has the wavelength of 500 nm with line width of 0.002 nm. For the first order grating, which is ruled at 2400 grooves/mm Minimum theoretical size of grating needs to be calculated. Concept introduction: Minimum theoretical size grating monochromator will be calculated by using the formula of resolving power, which is given as- R = λ Δ λ = n N Here, λ =wavelength Δλ = wavelength difference n = diffraction order N = total number of slits

BuyFind

Principles of Instrumental Analysis

7th Edition
Douglas A. Skoog + 2 others
Publisher: Cengage Learning
ISBN: 9781305577213
BuyFind

Principles of Instrumental Analysis

7th Edition
Douglas A. Skoog + 2 others
Publisher: Cengage Learning
ISBN: 9781305577213

Solutions

Chapter 9, Problem 9.11QAP
Interpretation Introduction

Interpretation:

A grating monochromator has the wavelength of 500 nm with line width of 0.002 nm. For the first order grating, which is ruled at 2400 grooves/mm Minimum theoretical size of grating needs to be calculated.

Concept introduction:

Minimum theoretical size grating monochromator will be calculated by using the formula of resolving power, which is given as-

R=λΔλ=nN

Here,

λ =wavelength

Δλ = wavelength difference

n = diffraction order

N = total number of slits

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